All Articles
Mariposa, California
April 2003 by Frank Lorey III
The sleepy town of Mariposa, known more today as one of the gateways to Yosemite National Park, was once considered the southern end of the famed “Mother Lode” gold deposits that stretched hundreds of miles throughout California’s Sierra...
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Ask the Experts
January 2015
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?
Mining Stock Quotes and Mineral & Metal Prices
October 2017
Attention to Detail - Part II
September 2016
Ditches almost always started in the high country and contoured the mountainsides, making a long drop, usually many miles away, to the goldfields. There are ditches in Trinity County that originate at seven and eight thousand feet in the Trinity Alps that carried water almost thirty miles.
Ditches almost always started in the high country and contoured the mountainsides, making a long drop, usually many miles away, to the goldfields. There are ditches in Trinity County that originate at seven and eight thousand feet in the Trinity Alps that carried water almost thirty miles.
The Klamath Oldland
September 2004
The Klamath Mountain province includes a number of separate mountain ranges, such as the Bully Choop, Marble, Salmon, Siskiyou, Trinity Alps, and Yolla Bolly, among others. They are collectively referred to as the “Klamath Mountains” in this article.
The Klamath Mountain province includes a number of separate mountain ranges, such as the Bully Choop, Marble, Salmon, Siskiyou, Trinity Alps, and Yolla Bolly, among others. They are collectively referred to as the “Klamath Mountains” in this article.
Convention Report
January 2005
Mining conferences frequently reflect specific types of information as their focus, and our publication was recently represented at two such contrasting gatherings, the Manitoba Mining and Minerals Conference in Winnipeg, Manitoba and the Northwest Mining Association Convention in Spokane, Washington.
Mining conferences frequently reflect specific types of information as their focus, and our publication was recently represented at two such contrasting gatherings, the Manitoba Mining and Minerals Conference in Winnipeg, Manitoba and the Northwest Mining Association Convention in Spokane, Washington.
The Best Copper Town Anywhere
September 2005
In the high desert hills more than 60 miles west of Prescott, Bagdad’s residents chat about the Wednesday golf league, the girls softball team and the new cafeteria over at the school.
In the high desert hills more than 60 miles west of Prescott, Bagdad’s residents chat about the Wednesday golf league, the girls softball team and the new cafeteria over at the school.
Legislative and Regulatory Update
February 2013
• "Not a pollutant"
• Thank you Senator Sessions
• California suction dredging
• EPA uses secret email accounts
• "Not a pollutant"
• Thank you Senator Sessions
• California suction dredging
• EPA uses secret email accounts
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The Bawl Mill
• Impact of Habitat Designations Grossly Underestimated
• Manslaughter Charges Dropped Against Sixteen to One Mine
• A Unique Prospecting Method
• Over the Divide
• Cripple Creek, Colorado
• Picks & Pans: Virginia Prospecting
• PLP Gets the Key!
• The Ocampo District, Chihuahua
• The Collaboration
• Mud Creek Placer Mine
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
